/*
 * JBoss, Home of Professional Open Source
 * Copyright 2011, Red Hat, Inc. and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.mobicents.protocols.ss7.mtp;

public interface Mtp3Listener {

	/**
	 * Callback method from lower layers MTP3-. This is called once MTP3
	 * determines that link is stable and is able to send/receive messages
	 * properly. This method should be called only once. Every linkup event.
	 */
	public void linkUp();

	/**
	 * Callback method from MTP3 layer, informs upper layers that link is not
	 * operable.
	 */
	public void linkDown();

	/**
	 * Mtp3 invokes this method once proper MSU is detected. Argument contains full Mtp3 MSU. 
	 * @param msgBuff
	 */
	public void receive(byte[] msgBuff); // http://pt.com/page/tutorials/ss7-tutorial/mtp
	
}
